Table 4.
Effects of municipal solid waste compost (MSWC) into soil (S) with or without fertigation on total soluble solids (TSS: °Brix), titratable acidity (TA: (% citric acid), sweetness (TSS/TA), Ph, EC (mS/cm), and total phenols (gallic acid equivalent: GAE/100 g fwt)) in greenhouse pepper crop.
| TSS | TA | TSS/TA | pH | EC | Total phenols | ||
|---|---|---|---|---|---|---|---|
| No fertilizer | S : MSWC (100 : 0) | 3.26 aY | 4.68 ab | 0.79 ab | 5.30 c | 1.78 ab | 296.91 a |
| S : MSWC (95 : 5) | 2.76 a | 3.93 b | 0.69 b | 5.52 b | 1.87 ab | 176.56 b | |
| S : MSWC (90 : 10) | 3.36 a | 5.41 a | 0.61 b | 5.85 a | 1.25 b | 159.03 b | |
| S : MSWC (80 : 20) | 2.53 a | 4.04 b | 0.64 b | 5.39 bc | 2.47 a | 221.73 b | |
| S : MSWC (60 : 40) | 3.20 a | 3.04 c | 1.04 a | 5.41 bc | 1.77 ab | 176.76 b | |
|
| |||||||
| With fertilizer | S : MSWC (100 : 0) | 3.20 ab | 3.09 c | 1.13 a | 5.30 c | 1.48 a | 184.57 a |
| S : MSWC (95 : 5) | 3.40 a | 3.58 bc | 0.95 a | 5.93 b | 1.57 a | 125.94 c | |
| S : MSWC (90 : 10) | 3.43 a | 3.53 b | 0.54 b | 6.31 a | 1.88 a | 140.06 bc | |
| S : MSWC (80 : 20) | 3.36 a | 3.10 a | 1.23 a | 5.30 b | 1.29 a | 162.79 b | |
| S : MSWC (60 : 40) | 2.73 b | 3.82 bc | 0.70 b | 5.75 b | 1.33 a | 155.82 b | |
YValues (n = 6) in columns followed by the same letter are not significantly different. P ≤ 0.05.